A 61-year-old man who says he wants to show that gay couples share the same values as heterosexual ones has camped out overnight outside a federal courthouse in Cincinnati to secure a courtroom seat for oral arguments over bans on same-sex marriage.

For Chris Seelbach, the legal challenges to state bans on gay marriage being argued this week in federal appeals court in Cincinnati mark another milestone - not just for gay rights, but for the city he calls home.

Ohio GOP Sen. Rob Portman said Thursday he has definite plans to run in 2016 - at least for re-election. Whether he decides to aim higher, he said, will depend on the field of presidential candidates and the issues they campaign on.